Our most popular screw together rivet. Precision machined for a perfect fit every time. Each head is slotted for easy installation using a screwdriver. Simply grind away the slot when shaping your handle. Jantz rivet drills will drill and countersink your handle material perfectly in one operation. The length below indicates maximum recommended handle thickness when completed. Tang holes for 1/4" rivets must be 3/16" or larger, tang holes for 5/16" rivets must be 7/32" or larger.SOLD INDIVIDUALLYUse Rivet Drill RD6